Phased array beamforming with 100-foot polararc microphones in a static engine noise test

46th AIAA Aerospace Sciences Meeting and Exhibit

Volumn , Issue , 2008, Pages

  Dougherty, Robert P ^a   Mendoza, Jeff M ^b  

^a OptiNav Inc   (United States)

^b HONEYWELL   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COHERENT SOURCES; CONVENTIONAL BEAMFORMING; DECORRELATIONS; ENGINE INLETS; ENGINE NOISE; ENGINE TESTING; HIGH FREQUENCY; HONEYWELL; INLET ANGLES; PHASED ARRAYS; PRIMARY OBJECTIVE; RADIATION SOURCE; SIDE LOBES; STANDARD MICROPHONES;

AEROSPACE ENGINEERING; BEAMFORMING; QUANTUM OPTICS;

MICROPHONES;

EID: 78149419047     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (10)

1. Battaner-Moro, J. "A Large Polar Array for Full-Scale Aero-Engine Noise Source Location and Breakdown," AIAA Paper 2006-2652, May 2006.
2. Martinez, M. "Microphone Polar Arc Phased Array for Locating Turbofan Source Noise Components" AIAA Paper 2007-3445, May 2007.
3. Brusniak, L., Underbrink, J. R., Nesbitt, E., Lynch, D., and Martinez, M., "Phased Array Measurements of Full-Scale Engine Exhaust Noise", AIAA Paper 2007-3612, May, 2007.
4. Gaeta, R. J., Mendoza, J.M., Jones, M.G. "Implementation of In-Situ Impedance Techniques on a Full Scale Aero-Engine System" AIAA Paper 2007-3441, May, 2007.
5. Mueller, T.J. (ed.), Aeroacoustic Testing, Springer-Verlag, 2002.
6. Dougehrty, R.P., "Turbulent decorrelation of aeroacoustic phased arrays: lessons from atmospheric science and astronomy," AIAA Paper 2003-3200, May, 2003.
7. Brooks, T., "A Deconvolution Approach for the Mapping of Acoustic Sources (DAMAS) Determined from Phased Microphone Arrays," AIAA Paper 2004-2954, May, 2004.
8. Sijtsma, P, "CLEAN Based on Spatial Source Coherence," AIAA Paper 2007-3436, May, 2007.
9. Brooks, T., "Extension of DAMAS Phased Array Processing for Spatial Coherence Determination (DAMAS-C)," AIAA Paper 2006-2654, May, 2006.
10. Högbom, J.A., "Aperture Synthesis with a Non-Regular Distribution of Interferometer Baselines", Astron. Astrophys. Suppl., No. 15, 1974, pp. 417-426.